Finding the Fourth Proportional to 10,507.27, 15,761.91 and 3,485.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,507.27 : 15,761.91 = 3,485.80 : x
2. Step 2: Convert to fraction form
   10,507.27/15,761.91 = 3,485.80/x
3. Step 3: Cross multiply
   10,507.27x = 15,761.91 × 3,485.80
4. Step 4: Simplify right side
   10,507.27x = 54,942,865.88
5. Step 5: Solve for x
   x = 54,942,865.88/10,507.27
6. Step 6: Final answer
   x = 5,229.03